Weather grille from galvanized steel sheet with fixed blades in 45ο angle. In the back there is a 6X6mm or 12X12mm galvanised wire mesh to avoid the entrance of foreign objects. Suitable for air intake or exhaust. The blades are parallel to the first mentioned dimension and 82mm spaced for bigger free surface. Electrostatic paint in RAL color is possible. It is manufactured in specific heights.
